Answer:
mouth and or nose
Explanation:
air enters the respiratory system through the nose and mouth and passes down the throat and through a voice box.
Answer:
nucleotide, DNA, nucleus, cell, tissue, organ, organ system, human body
Explanation:
good luck in your work! :)
The advantages that are provided to developing rural areas by building and using an anaerobic digester is that anaerobic digesters offer both a source of energy and a sanitary method of waste disposal which can help control disease.
<h3>What is an anaerobic digester? </h3><h3> </h3>
An anaerobic digester is a tank. It's a tank in which the size and appearance change considerably depending on what use is the digester being applied for.
- A variety of anaerobic digesters is the household digester which is used for a single family. It has a volume of less than one cubic metre.
- In an industrial-scale anaerobic digester. The size can easily surpass 5,000 cubic meters.
- A digester used on a farm or a ranch has a typical capacity of a few dozen cubic meters.
Therefore, the advantage is that anaerobic digesters offer both a source of energy and a sanitary method of waste disposal which can help control disease.
Read more about anaerobic digesters, here
brainly.com/question/1254146
#SPJ4
Answer:happy valentines day!!!!
Explanation:
The answer is b. if a trait makes them live, it will be passed on
